Egeria densa Egeria densaCommon name(s): Brazilian, Dense or Large Flower WaterweedSynonyme(s): Elodea densaFamily: HydrocharitaceaeOrigin: South AmericaCategories: Aquatic Plants | White flowers |More species from the Hydrocharitaceae family Lagarosiphon major Limnobium laevigatum Najas indica Elodea nuttallii Najas guadalupensis Blyxa japonica Elodea canadensis Hydrilla verticillata Egeria najas